from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button

class playbutton_layout( BoxLayout ):
    def __init__( self, **kwargs ):
        super( playbutton_layout, self ).__init__( orientation = 'horizontal', **kwargs )
        
        startbtn = Button( text = 'Start' )
        stopbtn = Button( text = 'Stop' )
        pausebtn = Button( text = 'Pause' )
        forwardbtn = Button( text = 'Forward' )
        backwardbtn = Button( text = 'Backward' )
        
        self.add_widget( startbtn )
        self.add_widget( stopbtn )
        self.add_widget( pausebtn )
        self.add_widget( forwardbtn )
        self.add_widget( backwardbtn )
        
        
if __name__ == '__main__':
    from kivy.app import App
    class testApp( App ):
        def build( self ):
            return playbutton_layout()
    testApp().run()